نتایج جستجو برای: registration and mobility management
تعداد نتایج: 16993054 فیلتر نتایج به سال:
Personal Communication Systems (PCSs) must have an efficient way to locate mobile users. The location management fulfills this task through location registration and paging. To reduce the signaling traffic, many schemes such as local anchoring, pointer forwarding and two-level pointer forwarding schemes have been proposed in the past. In this paper, we present a novel location management scheme...
Spatial mobility is a topical concept of analytical migration science, which makes it possible to assess the desires, readiness and capabilities of the population to move over certain distances and time. In the management of spatial mobility assessment requires the organization of systematic monitoring, which includes identifying the mobility potential in spatial and temporal interpretation, th...
Background and purpose: Today, hospital care, relying on the health record system, has received more attention than before. Considering the diversity of data in these systems, the design of standard conceptual and logical models by service providers will play an important role in their success. Therefore, this research was conducted with the aim of designing a logical data model of the hospital...
In the future’s IP-based mobile networks the mobile users require special support to provide connectivity, although they change their place of attachment to the network frequently. The task of mobility management is to provide this support. It consists of two parts: locationand handover management. The first one enables to originate and receive calls for the mobile terminals; the second is resp...
The introduction of wireless ATM (WATM) in customer premises networks (CPN) environments necessitates the design of mobility signaling protocols, since the existing versions of BISDN signaling do not support terminal mobility. Such protocols can be deployed either as extensions to the standard signaling capabilities, or as individual solutions that have little or no impact on existing infrastru...
Future internetworks will include large numbers of portable devices moving among small, wireless cells. In order to support real-time applications, users demand seamless mobility and Quality-of-Service (QoS) provisioning. One approach towards a more flexible, customizable and scalable mobility architecture that also reduces signaling load and handoff latency results from the introduction of mic...
We consider a new mobility management scheme – the Adaptive Location Area Tracking Scheme, in which each mobile performs a location registration as it crosses the boundary of its current personal location area and is assigned a new location area. The size and shape of the new location area depend on the mobile’s mobility and call characteristics in its previous location area. The objective is t...
this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...
Ahsrwclhlobile IP is the current standard supporting user muhilit? in wireless IP networks. Mobile IP regional registration is proposed b) IETF ts reduce the Mobile IP location update cost I)! making the registration localized. A distributed regional relistration scheme is also introduced to choose the GFAs dynamicdlly. In the distributed scheme, the signaling burden is evenib distributed among...
We evaluate the performance of IP paging with power save mechanism by formulating an analytical model and carrying out simulation study of Integrated IP Paging Protocol (IIPP) that integrates both the paging and power save functionality in IP layer. The results show that, compared to the Mobile IP regional registration, the IIPP significantly reduces the average power consumption of a mobile no...
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